heycam/webidl — pull request #7 by bzbarsky (2014-01-09 22:05:06+00:00)
Title: Rename [TreatNonCallableAsNull] to [TreatNonObjectAsNull] and change its semantics to allow setting non-callable objects but no-op the call to them.

See thread starting http://lists.w3.org/Archives/Public/public-script-coord/2013OctDec/0405.html